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SV Blowin Bubbles is a sturdy ocean vessel. This pilot house ketch was completely refit over the course of 3 years 2010-2013. It has cruised over 40000 nm since then proving to be a very seaworthy vessel fit for any ocean. Due to health concerns we are listing it for a new adventure as this boat Is fully equipped for off shore and should not sit at a dock. The vessel originally had 4 berths but was modified and now has full rear cabin and bunk bed cabin. There are 2 heads and a separate full shower. The sails are in need of replacing but otherwise all annual maintenance has been kept up. More information can be given by contacting us or see our blog at www.benger.blogspot.com The complete refit is on the blog.
Equipment: Blowin Bubbles has all the off shore and remote location necessities. Watermaker, solar power, SSB with a pactor modem, radar, AIS, Raymarine autopilots and multifunction chart plotter, and many spares. Many safety items including Jordan series drogue and sea anchor, 2 Epirbs, zodiac Liferafts (2014 service). Ground tackle includes brand new 1500 windlass, 85 lb mantus, 60 lb bruce, 300 ft G4 chain. Two dingys, a 10 ft fiberglass hull with a 15 hp Yamaha and a 8 ft walker bay with a 2 hp Yamaha almost new, a stainless davit system on the rear arch for easy lifting. Storage for 900 liters of water and 700 liters of diesel. Way too much to list here.
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
Sloop or ketch.
Shallow draft: 5.5’/1.68m.
Thanks to DUFOUR 12000 CT owner ‘CptJess’ for providing corrections.
According to him, very few of the shallow draft version were built.
(12000 is probably a reference to designed displacement.)
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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